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Expired Canadian patentCanada

Pyrohy maker

CA 1325362 C · Owner: Secondiak, Loretta · Inventors: Secondiak, Loretta

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Pyrohy makers usually comprise ordinary stamp out plastic molds or multiple molds, both of which often present difficulties in sealing the pyrohies and/or releasing same from the molds. Alternatively they include two or more moveable pieces which are expensive to produce and often difficult or awkward to operate. The present device is a circular cut out device with a depending outer rim which both cuts out and seals in one operation. It is designed to use on a sheet of dough upon which the filling is placed and the edge of the dough is then flipped over the filling whereupon part of the mold is engaged over the flipped portion to cut and seal the pyrohy in a substantially semi-circular …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted December 21, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 21, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 17, 1989
GrantedDecember 21, 1993
Term endedDecember 21, 2010
Patent numberCA 1325362 C
Classification (IPC)A21C11/10 +1 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedFeb 17, 1989Patent grantedDec 21, 1993Term endedDec 21, 2010

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.